CN106444563A - Safety guarantee system applicable to gas drilling - Google Patents
Safety guarantee system applicable to gas drilling Download PDFInfo
- Publication number
- CN106444563A CN106444563A CN201611139522.5A CN201611139522A CN106444563A CN 106444563 A CN106444563 A CN 106444563A CN 201611139522 A CN201611139522 A CN 201611139522A CN 106444563 A CN106444563 A CN 106444563A
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- 238000005553 drilling Methods 0.000 title claims abstract description 54
- 238000012544 monitoring process Methods 0.000 claims abstract description 210
- 239000012530 fluid Substances 0.000 claims abstract description 44
- 239000007789 gas Substances 0.000 claims description 158
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 44
- 238000004891 communication Methods 0.000 claims description 38
- 231100000331 toxic Toxicity 0.000 claims description 35
- 230000002588 toxic effect Effects 0.000 claims description 35
- 239000013049 sediment Substances 0.000 claims description 34
- 239000000428 dust Substances 0.000 claims description 24
- 210000002445 nipple Anatomy 0.000 claims description 24
- 238000012545 processing Methods 0.000 claims description 22
- 238000007689 inspection Methods 0.000 claims description 19
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 17
- 238000012806 monitoring device Methods 0.000 claims description 17
- HDDSHPAODJUKPD-UHFFFAOYSA-N fenbendazole Chemical compound C1=C2NC(NC(=O)OC)=NC2=CC=C1SC1=CC=CC=C1 HDDSHPAODJUKPD-UHFFFAOYSA-N 0.000 claims description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 11
- 229910000037 hydrogen sulfide Inorganic materials 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000004886 process control Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 239000012141 concentrate Substances 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
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- 238000010276 construction Methods 0.000 abstract description 3
- 231100000614 poison Toxicity 0.000 abstract description 3
- 230000007096 poisonous effect Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 238000005422 blasting Methods 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 18
- 238000005259 measurement Methods 0.000 description 9
- 239000000523 sample Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 238000007906 compression Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
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- 239000008398 formation water Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- 239000011435 rock Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24024—Safety, surveillance
Abstract
The invention discloses a safety guarantee system applicable to gas drilling, comprising a concentrated monitoring room, an equipment state monitoring and controlling device, an incoming gas monitoring and controlling device, an overflow fluid monitoring, a wellhead poisonous and harmful gas monitoring and alarm device and a fast automatic wellhead control device. The safety guarantee system summarizes the equipment state, drilling parameter, video image, wellhead environment poisonous gas concentration, well incoming and return fluid state, and components, and other data monitored by every device and displays in the concentrated monitoring room, so as to provide important conditions for comprehensively mastering the gas drilling device and underground working condition first time, judging abnormal situation of ground and underground and guaranteeing the construction condition; meanwhile, the safety guarantee system can remotely control equipment, technical flow, a wellhead blowout preventor and a draining sand pipeline, and carry out the well closing blasting operation automatically according to data monitoring result; thereby largely reducing the rate of artificial mistake, improving the emergency guarantee ability of gas drilling and essential safety performance.
Description
Technical field
The present invention relates to oil, gas drilling technology and field of security guarantee, specifically, are related to one kind for gas
The system being monitored and controlled in drilling well ground and down-hole state set, it is suitable for using nitrogen, air or gas-liquid two-phase as circulation
Used in the drillng operation of medium.
Background technology
Gas drilling is to solve low pressure, low hole, the difficult discovery of low permeability reservoirs, the effective means of difficult mining problem, permissible
100% ground finds oil bearing reservoir, obtains the initial production capacity of reservoir；Reservoir zero is injured, effective protection oil-gas Layer, improve well yield
And recovery ratio；Avoid drilling well leakage from occurring, bit speed is greatly improved, save cost of exploration ＆ development.In recent years in Sichuan, tower
Wood, Jilin, Kelamayi, tell the oil gas fields such as Kazakhstan and obtained large-scale application, well yield increases by more than 80%, simultaneously facilitates one
Criticize construction and obtain breakthrough exploration results.But as the object of nitrogen injection drilling is often the indefinite reservoir of geology, well control
Risk height, has higher requirements to the reliability and emergency capability of ground installation and Technology.If none of omnibearing
The drilling well of safe-guard system real-time monitoring and gas sample parameter, grasp ground and down-hole state, be engineer provide decision-making judge according to
According to, and rely on automatization's emergency function of equipment and essential safety ability to reduce the probability that people makes a mistake in emergency disposal,
So nitrogen injection drilling still has misgivings in well control risk, it is impossible to play its huge advantage for finding and protecting reservoir.
Harry's Bowden company of the U.S. starts to develop underbalance data collecting system for 1999, and the data of collection include reservoir pressure
Power, flow, gas component, drilling machinery parameter etc..Wellsite gas detecting company limited digital data recording system can be continuous
Some months record and show well site information, its software is in a leading position level in field of gas detection.Domestic many research institutions and
Specialized company also have developed multiple gases situ of drilling well safety monitoring system, and apply for patent.For example, Publication No.
104675382A, publication date is that the Chinese patent literature on June 3rd, 2015 discloses a kind of gas drilling landwaste and returns out monitoring system
System and monitoring method, it includes that solid flowmeter and winch transmitter return out landwaste amount and the corresponding rock of winch angular displacement to measure
Bits discharge capacity is to obtain more accurately returning out landwaste state.The systemic-function is single, does not constitute essence to the safety of gas drilling
Property protection.Publication No. 204200209U, publication date is that the Chinese patent literature on March 11st, 2015 discloses a kind of gas brill
Well pre-warning system for monitoring, it includes engineering parameter monitoring means, monitoring server and alarm unit, wherein engineering parameter prison
Surveying includes to inject gas pressure, flow, returns out gas pressure, component, returns out landwaste amount and formation water output, moment of torsion and supervises when boring
The functions such as survey, can more early find that stratum is produced regimen condition and with reference to Other Engineering parameter, gas drilling downhole safety commented
Estimate.The system lays particular emphasis on the anticipation to gas drilling down hole problem, lacks the Centralized Monitoring to ground equipment state and right
The shutoff control in case of emergency of well head, sediment outflow pipeline and gas injection equipment.Publication No. 202031579U, publication date is 2015
The Chinese patent literature on March 11, discloses a kind of field detection system for gas drilling, and it includes data collection processor, no
Line emitter, wireless receiver and host computer, wireless transmitter is communicated with wireless receiver by data radio station wireless network.Should
System only carries out data acquisition to air compressor machine, supercharger, and object does not include nitrogen making machine, while single function, not to entering well, going out
The function that well gas and down-hole state are monitored.Publication No. 202914075U, publication date is in 1 day May in 2013
State's patent documentation discloses a kind of gas drilling information integration monitoring system, and it includes harvester, integrated acquirer, data processing
And memorizer, integration release device, technical grade wireless router and distal end monitoring computer, monitoring result has been concentrated on a work
Make, on interface, to improve work efficiency.Collection content includes the data such as compound logging, sampling, safety monitoring and equipment, same scarce
The weary shutoff control to well head, sediment outflow pipeline and gas injection equipment in case of emergency.Publication No. 202914075U, publication date is
The Chinese patent literature on May 1st, 2013 discloses a kind of air drilling gas controlling device, it include sulfur dioxide, hydrogen,
Carbon monoxide, oxygen, methane and concentration of hydrogen sulfide monitoring, are mainly used in well gas and down-hole status monitoring, lack into gas well gas
Body and equipment condition monitoring, more do not have shutoff control in emergency circumstances, are difficult to give full play to safety guarantee in gas drilling
Effect.
Disclosed in above-mentioned patent, equipment or systemic-function are not perfect, and monitoring object is more unilateral, do not solve practice process
Present in nitrogen gas purity monitoring after mixing supercharging is inaccurate, probe tube is easily blocked, well head toxic and harmful lacks after water outlet
The problems such as actively monitoring and in case of emergency equipment, well head and sediment outflow pipeline lack automatic cut-off function.Without unified end
Scattered Monitoring Data is gathered and facilitates engineer's integrated decision-making and judgement by end, and the level of informatization is not high.Only possesses prison
Brake, neither one harbor can carry out remotely control to equipment, well head and sediment outflow pipeline, and self-protection means are lacked,
Limited to the supportability of gas drilling safety, this weakens the essential safety performance of gas drilling to a great extent.
Content of the invention
It is contemplated that for the defect existing for above-mentioned prior art and deficiency, providing a kind of gas drilling safety monitoring
Safeguards system, the present invention concentrates on polynary, scattered Monitoring Data on unified working interface, conveniently observation and record, with
When there is equipment, well head remote control function, define comprehensive guarantee gas drilling safety make a concerted effort.
The present invention be by using following technical proposals realize：
A kind of safe-guard system suitable for gas drilling, it is characterised in that：Including Centralized Monitoring room, equipment condition monitoring with
Control device, enter well gas monitoring with control device, return out fluid monitoring device, well head toxic and harmful monitoring alarm
With the fast automatic control device of well head, wherein：
Described equipment condition monitoring is used for sending the device parameter of collection to Centralized Monitoring room and showing with control device, prevents
Equipment state remote control button trigger is passed to equipment condition monitoring and is executed with control device by quick-fried formula Centralized Monitoring room
Equipment start-stop is operated；
Described enters well gas monitoring with control device for the well gas parameter that enters of collection to be monitored and pass to concentration
Monitoring room simultaneously shows, Centralized Monitoring room just valve opening and closing signal transmission feeds well gas monitoring and control device, valve opening
Data feedback to Centralized Monitoring room and shows；
Described returns out fluid monitoring device for the monitoring parameter for returning out fluid being passed to Centralized Monitoring room and being shown；
Well head toxic and harmful monitoring alarm is used for the toxic and harmful data transfer for measuring to Centralized Monitoring
Room simultaneously shows；
The fast automatic control device of well head includes closing well control chamber, driller station, relief line liquid-operated flat valve control pipeline, annular
Preventer control pipeline, sediment outflow pipeline liquid-operated flat valve and sediment outflow pipeline liquid-operated flat valve control pipeline, wherein, closing well control chamber
Uni-directional wireless communication line f is connected with Centralized Monitoring room, for the remote control commands of well head are transmitted, closing well control chamber passes through
Hydraulic line is controlled to annular preventer, relief line liquid-operated flat valve and sediment outflow pipeline liquid-operated flat valve respectively.
Described equipment condition monitoring is connected with channel radio with Centralized Monitoring room with control device on gas injection equipment
News circuit b and radio communication line c, is wherein transmitted by radio communication line b to the control instruction of gas injection equipment, gas injection equipment
Monitoring Data Centralized Monitoring room is transferred to by radio communication line c.
Described equipment condition monitoring includes air compressor machine, nitrogen making machine, supercharger, status information of equipment collection with control device
Processor, device controller and data radio station radio network device；Described status information of equipment Acquisition Processor, equipment control
Device and data radio station radio network device are installed on air compressor machine, while being also installed on nitrogen making machine, are also installed on supercharger；
Information acquisition processor, device controller and the equal integrated installation of radio transmitting device are in equipment central control system；
Information acquisition processor is connected with radio transmitting device by serial port data line, then is supervised with concentrating by data radio station network
One-way communication is realized in control room, and the central processing unit in Centralized Monitoring room will be shown by host computer after the data modem for receiving
On screen；Equipment state remote control button trigger passes to each radio transmitting device by Centralized Monitoring room, wireless biography
Defeated device will pass to device controller and execute equipment start-stop operation after the modulating and demodulating signal for receiving.
The device parameter of described information acquisition processor collection includes engine loading, rotating speed, oil pressure, oil temperature, air inlet
Pressure, pressure at expulsion, fuel liquid level and compressor oil pressure.
Described enters well gas monitoring with control device on gas supply line, is connected with into gas well gas with Centralized Monitoring room
Body remotely control pipeline and two communication lines of radio communication line a, wherein remote by entering well gas to entering the control of well gas
Process control pipeline is realized, and is entered well gas Monitoring Data and is then transmitted by radio communication line a.
The described well gas monitoring that enters is included into well gas control valve group, nitrogen gas purity monitor and pressure reduction with control device
Formula intelligent flow meter；Enter well gas control valve group, nitrogen gas purity monitor and differential intelligent flow meter installed in series in order to exist
On gas supply line；The data transfer that nitrogen gas purity monitor and differential intelligent flow meter are measured is to pressure protected against explosion Centralized Monitoring
Room, presses the central processing unit in protected against explosion Centralized Monitoring room to show in screen by host computer after the data modem for receiving
On；Enter well gas control valve group to be connected by wire cable by the remote control button in Centralized Monitoring room, valve opening data
While feeding back to pressure protected against explosion Centralized Monitoring room by radio transmitting device, central processing unit is by after the data modem for receiving
Shown on screen by host computer.
Nitrogen gas purity monitor is constituted by pipe nipple, one-level pressure relief valve, second depressurized valve and monitor is sampled；Sampling pipe nipple,
One-level pressure relief valve, second depressurized valve and monitor are sequentially connected.
One-level pressure relief valve is by gas sampled reduced pressure to below 2.0MPa, and second depressurized valve is by gas sampled reduced pressure
To 0.1MPa.
Intelligent pressure/differential effusion meter is made up of the pipe nipple that throttles, standard orifice plate and effusion meter；Standard orifice plate is installed in throttling pipe nipple
In, effusion meter is connected with throttling pipe nipple.
Intelligent pressure/differential effusion meter flow measurement precision 0.1m3/ min, measurement range is more than 450m3/ min, meets gas drilling
Require.
The gas parameter of nitrogen gas purity monitor measurement includes nitrogen gas purity；The gas ginseng of differential intelligent flow meter measurement
Number includes gas temperature, humidity, pressure and gas flow.
Described returns out fluid monitoring device on sediment outflow pipeline, is connected with wireless telecommunications with Centralized Monitoring room
Circuit d, returns out fluid inspection data and is transferred to Centralized Monitoring room by radio communication line d.
The described fluid monitoring device that returns out includes to sample pipe nipple one, dry dust removal case, wet dust removal case and returns out fluid
Monitor；Sampling pipe nipple one is on sediment outflow pipeline, and dry dust removal case and the import of wet dust removal case are short with sampling by flexible pipe
Section one is connected in parallel, and dry dust removal case and the outlet of wet dust removal case are connected with fluid inspection instrument is returned out by flexible pipe.
Data that fluid inspection instrument measures are returned out by radio transmitting device and the centre in pressure protected against explosion Centralized Monitoring room
Reason device connection, central processing unit will be shown on screen by host computer after the data modem for receiving.
Stop valve is separately installed with different according to gas type selection in dry dust removal case and wet dust removal case entrance
Dedusting method.
The measurement parameter for returning out fluid inspection instrument includes low-concentration methane content, high concentration methane content, gas temperature, gas
Body humidity, carbon dioxide content, oxygen content, hydrogen sulfide content and carbon monoxide content.
Described well head toxic and harmful monitoring alarm is connected with Centralized Monitoring room on rotating blowout preventer
There is a radio communication line e, well head toxic and harmful Monitoring Data is transferred to Centralized Monitoring by radio communication line e
Room.
Described well head toxic and harmful monitoring alarm includes air pump, monitor and radio transmitting device；Take out
Air pump is installed on rotating blowout preventer upper surface, extracts the gas for leaking from rotating blowout preventer sealing member；Monitor is installed in rotation
Turn on preventer, the gas sample obtained by air pump is detected, the data for measuring are by radio transmitting device and Centralized Monitoring room
Central processing unit connection, Centralized Monitoring room will be shown on screen by host computer after the data modem for receiving.
The parameter of monitor measurement includes low-concentration methane content, high concentration methane content and hydrogen sulfide content.
Sound and light alarm is excited to send alarm signal when well head toxic and harmful concentration reaches the alarming value of setting.
The fast automatic control device of described well head, the wherein control to annular preventer and relief line liquid-operated flat valve
Executed by driller station indirectly, the control to sediment outflow pipeline liquid-operated flat valve is then directly executed by closing well control chamber.
Described Centralized Monitoring room includes equipment condition monitoring display terminal and its remote control button, enters well gas monitoring
Display terminal and its remote control button, return out fluid inspection display terminal, well head toxic and harmful monitoring display terminal, regard
Frequency monitor and its display terminal, drilling parameter display terminal, well head meet an urgent need remote control button, central processing unit, host computer,
Audible-visual annunciator and data radio station radio network device；Drilling parameter display terminal adopts wired connection with comprehensive logging instrument, real
Existing data sharing；Equipment condition monitoring display terminal, enter well gas monitoring display terminal, return out fluid inspection display terminal and well
Mouthful toxic and harmful monitoring display terminal equipment condition monitoring corresponding with outdoor and control device, enter well gas monitoring and control
Device processed, return out between fluid monitoring device, well head toxic and harmful monitoring alarm using data radio station wireless network
Transmission；Equipment remote control button is by data radio station wireless network and setting on air compressor machine, nitrogen making machine and supercharger
Preparation controller connects, to realize the remotely control to equipment；Enter well gas remote control button to connect by wire cable, realize
To entering the control of well gas control valve group；Well head meets an urgent need remote control button by data radio station wireless network and closing well control chamber
Connection, realizes the control to well head, sediment outflow pipeline gate valve and preventer；Audible-visual annunciator be arranged on well head toxic and harmful
Sensor connection, in monitoring result and sediment outflow pipeline, pressure and concentration of hydrogen sulfide monitoring result automated to respond to send alarm signal
Number.
Compared with prior art, what the present invention was reached has the beneficial effect that：
1st, using of the present invention by Centralized Monitoring room, equipment condition monitoring and control device, enter well gas monitoring with control
Device, return out fluid monitoring device, well head toxic and harmful monitoring alarm and well head fast automatic control device composition
Safe-guard system, conduct monitoring at all levels can be carried out to During Air Drilling, centralized displaying has respectively in the Centralized Monitoring room of well site
Kind of Monitoring Data, including equipment state, drilling parameter, video image, well head environmental toxic gas concentration, enters well and returns out fluid
State and component, can grasp gas drilling equipment and underground working, comprehensive descision ground and down-hole exception comprehensively in the very first time,
Essential condition is provided for the safe construction of gas drilling.
2nd, the present invention is adopted, can realizes in Centralized Monitoring room to equipment, technological process, wellhead blowout preventor and sediment outflow pipeline
Remotely control, improve work efficiency；The operation of closing well open flow, emergency disposal main body can be implemented automatically according to data monitoring result
Machine is become by people, the probability of human-equation error is significantly reduced, improve emergency response capabilities and the essence peace of gas drilling
Full performance.
3rd, the fluid monitoring device that returns out of the present invention measures gas sample component 3～5min more early than comprehensive logging instrument, and enters well
Gas-monitoring Comparative result can find gas sample change of component in the very first time, when being that under processing well, complicated and accident has won valuable
Between.
Description of the drawings
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein：
Fig. 1 is the connection signal sketch of gas drilling safe-guard system.
Fig. 2 is to connect detail drawing in Fig. 1.
In figure labelling：
1- air pump；2- well head toxic and harmful monitoring alarm；3- data radio station radio network device one；4- is monitored
Instrument；5- rotating blowout preventer；6- annular preventer；7- sediment outflow pipeline liquid-operated flat valve；8- sediment outflow pipeline liquid-operated flat valve control pipe
Line；9- driller station；10- relief line liquid-operated flat valve controls pipeline；11- annular preventer controls pipeline；12- closing well controls
Case；13- audible-visual annunciator；14- well head is met an urgent need remote control button；15- enters well gas remote control button；16- Centralized Monitoring
Room；17- central processing unit；18- host computer；19- video surveillance instrument；20- drilling parameter display terminal；21- data radio station is wireless
Network equipment two；22- returns out fluid monitoring device；23- dry dust removal case；24- equipment remote control button；25- enters well gas
Remotely control pipeline；26- equipment condition monitoring display terminal；27- enters well well head gas and returns out fluid inspection display terminal；
28- video surveillance display terminal；29- data radio station radio network device three；30- returns out fluid inspection instrument；31- wet dust removal
Case；32- setting pot；33- samples pipe nipple one；34- nitrogen gas purity monitor；35- second depressurized valve；36- one-level pressure relief valve；37-
Differential intelligent flow meter；38- sediment outflow pipeline；39- enters well gas monitoring and control device；40- samples pipe nipple；41- gauge orifice
Plate；42- throttling pipe nipple；43- gas supply line；44- enters well gas control valve group；45- device controller；46- supercharger；47- film
Nitrogen making machine；48- air compressor machine；49- status information of equipment Acquisition Processor；50- data radio station radio network device four；51- equipment
Status monitoring and control device；52- relief line liquid-operated flat valve；53- radio communication line a；54- radio communication line b；
55- radio communication line c；56- radio communication line d；57- radio communication line e；58- radio communication line f.
Specific embodiment
Embodiment 1
With reference to Figure of description, as a better embodiment of the present invention, it include Centralized Monitoring room, equipment condition monitoring with
Control device, enter well gas monitoring with control device, return out fluid monitoring device, well head toxic and harmful monitoring alarm
With the fast automatic control device of well head, wherein：
Described equipment condition monitoring is used for sending the device parameter of collection to Centralized Monitoring room and showing with control device, prevents
Equipment state remote control button trigger is passed to equipment condition monitoring and is executed with control device by quick-fried formula Centralized Monitoring room
Equipment start-stop is operated；
Described enters well gas monitoring with control device for the well gas parameter that enters of collection to be monitored and pass to concentration
Monitoring room simultaneously shows, Centralized Monitoring room just valve opening and closing signal transmission feeds well gas monitoring and control device, valve opening
Data feedback to Centralized Monitoring room and shows；
Described returns out fluid monitoring device for the monitoring parameter for returning out fluid being passed to Centralized Monitoring room and being shown；
Well head toxic and harmful monitoring alarm is used for the toxic and harmful data transfer for measuring to Centralized Monitoring
Room simultaneously shows；
Wherein enter well gas monitoring with control device 39 on gas supply line 43, be connected with into gas well gas with Centralized Monitoring room 16
Body remotely control pipeline 25 and two communication lines of radio communication line a53, wherein engineer passes through to the control for entering well gas
Enter well gas remotely control pipeline 25 to realize, enter well gas Monitoring Data and then transmitted by radio communication line a53.
Equipment condition monitoring is connected with two wirelessly with Centralized Monitoring room 16 with control device 51 on gas injection equipment
Communication line b54, c55, wherein engineer are transmitted by radio communication line b54 to the control instruction of gas injection equipment, and gas injection sets
Standby Monitoring Data is transferred to Centralized Monitoring room 16 by radio communication line c55.
Fluid monitoring device 22 being returned out on sediment outflow pipeline 38, wireless telecommunications is connected with Centralized Monitoring room 16
Circuit d56, returns out fluid inspection data and is transferred to Centralized Monitoring room 16 by radio communication line d56.
Well head toxic and harmful monitoring alarm 2 is connected with Centralized Monitoring room 16 on rotating blowout preventer 5
One radio communication line e57, well head toxic and harmful Monitoring Data is transferred to Centralized Monitoring by radio communication line e57
Room 16.
The fast automatic control device of well head includes closing well control chamber 12, driller station 9 and its control pipeline 10,11, sediment outflow pipe
Line liquid-operated flat valve 7 and its control pipeline 8.Wherein, closing well control chamber 12 is connected with a uni-directional wireless with Centralized Monitoring room 16
Communication line f58, for remote control commands of the transmission engineering teacher to well head；Closing well control chamber 12 is right respectively by hydraulic line
Annular preventer 6, relief line liquid-operated flat valve 52 and sediment outflow pipeline liquid-operated flat valve 7 are controlled, wherein to annular blowout prevention
The control of device 6 and relief line liquid-operated flat valve 52 is executed indirectly by driller station 9, the control to sediment outflow pipeline liquid-operated flat valve 7
System is then directly executed by closing well control chamber 12.
Embodiment 2
Used as the preferred forms of the present invention, its each several part composition and working principle is as follows：
Safe-guard system suitable for gas drilling is mainly made up of six big devices, is Centralized Monitoring room 16, equipment shape respectively
State monitoring with control device 51, enter well gas monitoring with control device 39, return out fluid monitoring device 22, well head poisonous and harmful gas
Body monitoring alarm 2 and the fast automatic control device of well head.
Wherein, Centralized Monitoring room 16 includes equipment condition monitoring display terminal 26 and its remote control button 24, enters gas well gas
Body monitors display terminal 27 and its remote control button 15, returns out fluid inspection display terminal 27, well head toxic and harmful prison
Survey display terminal 27, video surveillance instrument 19 and its emergent remotely control of display terminal 28, drilling parameter display terminal 20, well head to press
Button 14, central processing unit 17, host computer 18, audible-visual annunciator 13 and data radio station radio network device 2 21；Enter well gas, return
Go out fluid and well head toxic and harmful monitoring parameter sets show on same screen 27；Equipment and enter well gas control valve group
State set shows on same screen 26；Drilling parameter display terminal 20 realizes data with comprehensive logging instrument using wired connection
Shared；Equipment condition monitoring, enter well gas monitoring, return out fluid inspection and well head toxic and harmful monitoring display terminal 26,
Data radio station wireless network transmissions are adopted between 27 and corresponding outdoor instrument；Equipment remote control button 24 is by data radio station no
Gauze network is connected with the device controller 45 on air compressor machine 48, nitrogen making machine 47 and supercharger 46 to realize to the remote of equipment
Process control；Entering well gas remote control button 15, the control to entering well gas control valve group 44 is realized by wire cable 25；Well
The emergent remote control button 14 of mouth is realized to well head 52, sediment outflow pipeline lock by data radio station wireless network and closing well control chamber 12
Valve 7 and the control of preventer 5；Audible-visual annunciator 13 according to pressure in well head toxic and harmful monitoring result and sediment outflow pipeline and
Concentration of hydrogen sulfide monitoring result automated tos respond to send alarm signal.
Equipment condition monitoring and control device 51 include to be installed on air compressor machine 48, nitrogen making machine 47, the equipment on supercharger 46
Status information capture processor 49, device controller 45 and data radio station radio network device 4 50；Information acquisition processor 49
The device parameter of collection includes engine loading, rotating speed, oil pressure, oil temperature, admission pressure, pressure at expulsion, fuel liquid level and compression
Engine oil pressure；Information acquisition processor 49, device controller 45 and the equal integrated installation of radio transmitting device 50 control system in equipment
In system；Information acquisition processor 49 is connected with radio transmitting device 50 by serial port data line, then by data radio station network with
One-way communication is realized in Centralized Monitoring room 16, and Centralized Monitoring room central processing unit 17 is by by upper after the data modem for receiving
Machine 18 shows on screen 26；24 trigger of equipment state remote control button passes to each equipment by Centralized Monitoring room 16
The radio transmitting device 50 for carrying, radio transmitting device 50 is held device controller 45 is passed to after the modulating and demodulating signal for receiving
Row equipment start-stop is operated.
Entering well gas monitoring is included into well gas control valve group 44, nitrogen gas purity monitor 34 and pressure reduction with control device 39
Formula intelligent flow meter 37；Enter well gas control valve group 44, nitrogen gas purity monitor 34 and differential intelligent flow meter 37 by downstream
Direction installed in series in order is on gas supply line 43；The gas parameter that nitrogen gas purity monitor 34 is measured includes nitrogen gas purity；Pressure
The gas parameter that differential intelligent flow meter 37 is measured includes gas temperature, humidity, pressure and gas flow；Nitrogen gas purity monitor
34 and the data that measure of differential intelligent flow meter 37 Centralized Monitoring room 16 is passed to by the radio transmitting device that instrument is carried,
Centralized Monitoring room central processing unit 17 will be shown on screen by host computer 18 after the data modem for receiving；Enter well gas
Control valve group 44 is controlled by wire cable 25 by the remote control button 15 in Centralized Monitoring room 16, and valve opening data are simultaneously
Centralized Monitoring room 16 is fed back to by its radio transmitting device for carrying, Centralized Monitoring room central processing unit 17 is by the data for receiving
Shown on a screen 27 by host computer 18 after modulation /demodulation；
Nitrogen gas purity monitor 34 is made up of sampling pipe nipple 40, one-level pressure relief valve 36, second depressurized valve 35 and monitor 34；One-level
Air relief valve 36 is by gas sampled reduced pressure to below 2.0MPa, and second depressurized valve 35 is by gas sampled reduced pressure to 0.1MPa
Near.
Intelligent pressure/differential effusion meter 37 is made up of throttling pipe nipple 42, standard orifice plate 41 and effusion meter 37；Standard orifice plate 41 is installed
In throttling pipe nipple 42, its flow measurement precision 0.1m3/min, measurement range is more than 450m3/min, and meeting gas drilling will
Ask.
Returning out fluid monitoring device 22 includes to sample pipe nipple 1, dry dust removal case 23, wet dust removal case 31 and returns out stream
Body monitor 30；Sampling pipe nipple 1 is on sediment outflow pipeline 38, and dry dust removal case 23 and 31 import of wet dust removal case pass through
Flexible pipe is connected in parallel with sampling pipe nipple 1, and dry dust removal case 23 and wet dust removal case 31 are exported and supervised with fluid is returned out by flexible pipe
Survey instrument 30 to connect；Stop valve is separately installed with to select according to gas type in dry dust removal case 23 and 31 entrance of wet dust removal case
Select different dedusting methods；Return out fluid inspection instrument 30 measurement parameter include low-concentration methane content, high concentration methane content,
Gas temperature, gas humidity, carbon dioxide content, oxygen content, hydrogen sulfide content and carbon monoxide content；Return out fluid inspection
The radio transmitting device 29 that the data that instrument 30 is measured are carried by instrument passes to Centralized Monitoring room 16, Centralized Monitoring room centre
Reason device 17 will be shown on screen by host computer 18 after the data modem for receiving.
Well head toxic and harmful monitoring alarm 2 includes air pump 1, monitor 4 and radio transmitting device 3；Pumping
Pump 1 is installed on 5 upper surface of rotating blowout preventer, extracts the gas for leaking from 5 sealing member of rotating blowout preventer；Monitor 4 is arranged on
On rotating blowout preventer 5, the gas sample obtained by air pump 1 detects, the data for measuring are wirelessly transferred dress by what instrument was carried
Put 3 and Centralized Monitoring room 16 is passed to, 16 central processing unit 17 of Centralized Monitoring room is by by upper after the data modem for receiving
Machine 18 shows on a screen 27.The parameter that monitor 4 is measured includes low-concentration methane content, high concentration methane content and hydrogen sulfide
Content；Audible-visual annunciator 13 is excited to send alarm signal when well head toxic and harmful concentration reaches the alarming value of setting.
The fast automatic control device of well head includes closing well control chamber 12, driller station 9 and its control pipeline 10,11, sediment outflow pipe
Line liquid-operated flat valve 7 and its control pipeline 8.Driller station 9 can be simultaneously closed off by controlling pipeline 10,11 in driller station
Annular preventer 6 and open liquid-operated flat valve 52；Closing well control chamber 12 is arranged on driller station 9, according to the signal for receiving certainly
Dynamic control 9 action of driller station；Closing well control chamber 12 utilizes wireless communication with Centralized Monitoring room 16, and excitation signal is for concentrating prison
Well head in control room 16 is met an urgent need and remote control button 14 trigger and returns out the sediment outflow pipeline 38 that fluid inspection instrument 30 measures and press
Power and concentration of hydrogen sulfide；When pressure in sediment outflow pipeline 38 or concentration of hydrogen sulfide can excite audible-visual annunciator 13 to send more than setting value
Alarm signal, order closing well control chamber 12 and driller station 9 are automatically switched off annular preventer 6, open relief line liquid-operated flat valve
52, sediment outflow pipeline liquid-operated flat valve 7 can be also simultaneously closed off according to setting；Closing well control chamber 12 executes automatic closing well operating and setting
38 pressure value of sediment outflow pipeline has 0.1MPa, 0.2MPa, 0.3MPa, the concentration of hydrogen sulfide value of setting have 10ppm, 20ppm, 30ppm,
40ppm.
Claims (10)
1. a kind of safe-guard system suitable for gas drilling, it is characterised in that：Including Centralized Monitoring room, equipment condition monitoring
With control device, enter well gas monitoring with control device, return out fluid monitoring device, well head toxic and harmful monitoring, alarming dress
Put and the fast automatic control device of well head, wherein：
Described equipment condition monitoring is used for sending the device parameter of collection to Centralized Monitoring room and showing with control device, prevents
Equipment state remote control button trigger is passed to equipment condition monitoring and is executed with control device by quick-fried formula Centralized Monitoring room
Equipment start-stop is operated；
Described enters well gas monitoring with control device for the well gas parameter that enters of collection to be monitored and pass to concentration
Monitoring room simultaneously shows, Centralized Monitoring room just valve opening and closing signal transmission feeds well gas monitoring and control device, valve opening
Data feedback to Centralized Monitoring room and shows；
Described returns out fluid monitoring device for the monitoring parameter for returning out fluid being passed to Centralized Monitoring room and being shown；
Well head toxic and harmful monitoring alarm is used for the toxic and harmful data transfer for measuring to Centralized Monitoring
Room simultaneously shows；
The fast automatic control device of well head includes closing well control chamber, driller station, relief line liquid-operated flat valve control pipeline, annular
Preventer control pipeline, sediment outflow pipeline liquid-operated flat valve and sediment outflow pipeline liquid-operated flat valve control pipeline, wherein, closing well control chamber
Uni-directional wireless communication line f is connected with Centralized Monitoring room, for the remote control commands of well head are transmitted, closing well control chamber passes through
Hydraulic line is controlled to annular preventer, relief line liquid-operated flat valve and sediment outflow pipeline liquid-operated flat valve respectively.
2. a kind of safe-guard system suitable for gas drilling according to claim 1, it is characterised in that：Described sets
Standby status monitoring includes air compressor machine, nitrogen making machine, supercharger, status information of equipment Acquisition Processor, equipment control with control device
Device and data radio station radio network device；Described status information of equipment Acquisition Processor, device controller and data radio station are no
Line network equipment is installed on air compressor machine, while being also installed on nitrogen making machine, is also installed on supercharger；Information Collecting ＆ Processing
Device, device controller and the equal integrated installation of radio transmitting device are in equipment central control system；Information acquisition processor passes through serial ports
Data wire is connected with radio transmitting device, then realizes one-way communication, Centralized Monitoring by data radio station network with Centralized Monitoring room
The central processing unit in room will be shown on screen by host computer after the data modem for receiving；Equipment state remotely control is pressed
Button trigger passes to each radio transmitting device by Centralized Monitoring room, and radio transmitting device is by the modulating and demodulating signal for receiving
After pass to device controller execute equipment start-stop operation.
3. a kind of safe-guard system suitable for gas drilling according to claim 2, it is characterised in that：Described sets
Standby status monitoring is connected with radio communication line b and channel radio with Centralized Monitoring room with control device on gas injection equipment
News circuit c, is wherein transmitted by radio communication line b to the control instruction of gas injection equipment, and the Monitoring Data of gas injection equipment passes through
Radio communication line c is transferred to Centralized Monitoring room.
4. a kind of safe-guard system suitable for gas drilling according to claim 1, it is characterised in that：Described enters
Well gas monitoring is included into well gas control valve group, nitrogen gas purity monitor and differential intelligent flow meter with control device；Enter
Well gas control valve group, nitrogen gas purity monitor and differential intelligent flow meter installed in series in order are on gas supply line；Nitrogen
The data transfer that purity monitor and differential intelligent flow meter are measured concentrates prison to pressure protected against explosion Centralized Monitoring room, pressure protected against explosion
The central processing unit in control room will be shown on screen by host computer after the data modem for receiving；Enter well gas control valve group
Connected by wire cable by the remote control button in Centralized Monitoring room, valve opening data are while pass through radio transmitting device
Pressure protected against explosion Centralized Monitoring room is fed back to, central processing unit will be shown in screen by host computer after the data modem for receiving
On.
5. a kind of safe-guard system suitable for gas drilling according to claim 4, it is characterised in that：Nitrogen gas purity
Monitor is constituted by pipe nipple, one-level pressure relief valve, second depressurized valve and monitor is sampled；Sampling pipe nipple, one-level pressure relief valve, two grades subtract
Pressure valve and monitor are sequentially connected；Intelligent pressure/differential effusion meter is made up of the pipe nipple that throttles, standard orifice plate and effusion meter；Standard orifice plate is pacified
It is mounted in throttling pipe nipple, effusion meter is connected with throttling pipe nipple.
6. a kind of safe-guard system suitable for gas drilling according to claim 5, it is characterised in that：Described enters
Well gas monitoring with control device on the gas supply line, be connected with into well gas remotely control pipeline with Centralized Monitoring room and
Two communication lines of radio communication line a, wherein to entering the control of well gas by entering the realization of well gas remotely control pipeline, enter
Well gas Monitoring Data is then transmitted by radio communication line a.
7. a kind of safe-guard system suitable for gas drilling according to claim 1, it is characterised in that：Described returns
Going out fluid monitoring device includes to sample pipe nipple one, dry dust removal case, wet dust removal case and returns out fluid inspection instrument；Sampling pipe nipple one
On sediment outflow pipeline, dry dust removal case and the import of wet dust removal case are connected in parallel with sampling pipe nipple one by flexible pipe, dry type
Dust cleaning case and the outlet of wet dust removal case are connected with fluid inspection instrument is returned out by flexible pipe；Return out the data that fluid inspection instrument measures to lead to
The central processing unit for radio transmitting device being crossed with pressure protected against explosion Centralized Monitoring room is connected, and the data for receiving are modulated by central processing unit
Shown on screen by host computer after demodulation.
8. a kind of safe-guard system suitable for gas drilling according to claim 1, it is characterised in that：Described well
Mouth toxic and harmful monitoring alarm includes air pump, monitor and radio transmitting device；It is anti-that air pump is installed on rotation
Spray apparatus upper surface, extracts the gas for leaking from rotating blowout preventer sealing member；Monitor is arranged on rotating blowout preventer, to pumping
The gas sample that pumping is obtained is detected, the data for measuring are connected with the central processing unit in Centralized Monitoring room by radio transmitting device,
Centralized Monitoring room will be shown on screen by host computer after the data modem for receiving.
9. a kind of safe-guard system suitable for gas drilling according to claim 8, it is characterised in that：Described well
Mouth toxic and harmful monitoring alarm is connected with a wireless telecommunications line with Centralized Monitoring room on rotating blowout preventer
Road e, well head toxic and harmful Monitoring Data is transferred to Centralized Monitoring room by radio communication line e.
10. a kind of safe-guard system suitable for gas drilling according to claim 1, it is characterised in that：Described
Centralized Monitoring room includes equipment condition monitoring display terminal and its remote control button, enters well gas monitoring display terminal and its remote
Process control button, return out fluid inspection display terminal, well head toxic and harmful monitoring display terminal, video surveillance instrument and its aobvious
Show that terminal, drilling parameter display terminal, well head are met an urgent need remote control button, central processing unit, host computer, audible-visual annunciator sum
Conduct electricity platform radio network device；Drilling parameter display terminal adopts wired connection with comprehensive logging instrument, realizes data sharing；Equipment
Status monitoring display terminal, enter well gas monitoring display terminal, return out fluid inspection display terminal and well head toxic and harmful
Monitoring display terminal and the corresponding equipment condition monitoring in outdoor and control device, enter well gas monitoring and control device, return out stream
Data radio station wireless network transmissions are adopted between body monitoring device, well head toxic and harmful monitoring alarm；Equipment is long-range
Control knob is connected with the device controller on air compressor machine, nitrogen making machine and supercharger by data radio station wireless network,
To realize the remotely control to equipment；Enter well gas remote control button to connect by wire cable, realize to entering well gas control
The control of valve group processed；Well head meets an urgent need remote control button by data radio station wireless network and the connection of closing well control chamber, and it is right to realize
The control of well head, sediment outflow pipeline gate valve and preventer；Audible-visual annunciator is with the sensor for being arranged on well head toxic and harmful even
Connect, in monitoring result and sediment outflow pipeline, pressure and concentration of hydrogen sulfide monitoring result automated to respond to send alarm signal.
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| CN201611139522.5A CN106444563A (en) | 2016-12-12 | 2016-12-12 | Safety guarantee system applicable to gas drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139522.5A CN106444563A (en) | 2016-12-12 | 2016-12-12 | Safety guarantee system applicable to gas drilling |
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Family
ID=58217805
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| CN201611139522.5A Pending CN106444563A (en) | 2016-12-12 | 2016-12-12 | Safety guarantee system applicable to gas drilling |
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| CN110439540A (en) * | 2019-09-10 | 2019-11-12 | 中国石油化工股份有限公司 | A kind of quick gas testing system of shale gas individual well |
| CN110821445A (en) * | 2019-10-16 | 2020-02-21 | 中国石油集团川庆钻探工程有限公司 | Nitrogen pumping operation method under condition of low-volume natural gas formation |
| CN111927429A (en) * | 2020-07-29 | 2020-11-13 | 北京理工大学 | Detection and early warning device and method for carbon dioxide stored in oil and gas field exploitation layer |
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